//
//
// Author HuangWenkai
public class Average {
public static void main(String[] args) {
	if(args==null) return;double[] s=new double[3];double aver=0;
	System.out.print("[");                                     
	for(int k=0;k<args.length;k++) {                           
		s[k]=Double.parseDouble(args[k]);
		aver+=s[k];
		System.out.print(args[k]+" ");
	}
	System.out.print("].Average"+"="+aver/args.length);             
}
}